# caf x siemens revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Partnership: [caf x siemens](/partnerships/caf-x-siemens.md)

## Recorded posture

- First recorded event: 2026-08-22
- Last material change: 2026-08-22
- Material event count: 1
- Editorial event count: 0

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

_Canonical URL: /partnerships/caf-x-siemens/history. REST: /v1/partnerships/2fe10544-9e9b-4376-9eec-90d8f3f56f7d/history. HTML: [/partnerships/caf-x-siemens/history](/partnerships/caf-x-siemens/history)._